Answer:
Ratio of perimeters = 5:2
Ratio of areas: 25:4
Step-by-step explanation:
20/8 = 5/2 (ratio of lengths is equal to ratio of perimeters)
= 25/4 (ratio of areas is the square of ratio of lengths)
$7.67
So if 8 pens cost $4.72, one pen would cost $0.59. 0.59 x 13 will be equal to 7.67.
Divide
